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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-nsrp.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-nsrp.c')
-rw-r--r--epan/dissectors/packet-nsrp.c518
1 files changed, 518 insertions, 0 deletions
diff --git a/epan/dissectors/packet-nsrp.c b/epan/dissectors/packet-nsrp.c
new file mode 100644
index 00000000..42e531a5
--- /dev/null
+++ b/epan/dissectors/packet-nsrp.c
@@ -0,0 +1,518 @@
+/* packet-nsrp.c
+ * Routines for the Juniper Netscreen Redundant Protocol (NSRP)
+ *
+ * Secfire <secfire@gmail.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/*
+ *
+ * NSRP update information can be found at www.juniper.net
+ *
+ *
+ *
+ * NSRP Packet Header is defined as follow:
+ *
+ * 1 2 3 4 5 6 7 8
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * |Version | Type |Clust ID|MSG Flag| Length |HA Port |Not Used|
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Destination Unit | Source Unit |
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ *
+ *
+ *
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/etypes.h>
+
+void proto_register_nsrp(void);
+void proto_reg_handoff_nsrp(void);
+
+static dissector_handle_t nsrp_handle;
+
+#define NSRP_MIN_LEN 32
+
+/* Initialize the protocol and registered fields */
+static int proto_nsrp = -1;
+
+static int hf_nsrp_version = -1;
+static int hf_nsrp_msg_type = -1;
+static int hf_nsrp_clust_id = -1;
+static int hf_nsrp_msg_flag = -1;
+static int hf_nsrp_len = -1;
+static int hf_nsrp_ha_port = -1;
+static int hf_nsrp_not_used = -1;
+static int hf_nsrp_dst_unit = -1;
+static int hf_nsrp_src_unit = -1;
+static int hf_nsrp_msgtype = -1;
+static int hf_nsrp_wst_group = -1;
+static int hf_nsrp_hst_group = -1;
+static int hf_nsrp_msgflag = -1;
+static int hf_nsrp_authflag = -1;
+static int hf_nsrp_priority = -1;
+static int hf_nsrp_dummy = -1;
+static int hf_nsrp_authchecksum = -1;
+static int hf_nsrp_ifnum = -1;
+
+
+/* Dada defined for HA Message */
+static int hf_nsrp_msglen = -1;
+static int hf_nsrp_encflag = -1;
+/* static int hf_nsrp_notused = -1; */
+
+static int hf_nsrp_total_size = -1;
+
+static int hf_nsrp_ns = -1;
+static int hf_nsrp_nr = -1;
+
+static int hf_nsrp_no_used = -1;
+static int hf_nsrp_checksum = -1;
+
+static int hf_nsrp_data = -1;
+
+
+static const value_string nsrp_msg_type_vals[] = {
+ { 0x01, "HA MESSAGE" },
+ { 0x02, "MNG MESSAGE" },
+ { 0x03, "DADA MESSAGE" },
+ { 0, NULL }
+};
+
+static const value_string nsrp_msgtype_vals[] = {
+ { 0x01, "CREATE SESSION" },
+ { 0x02, "CLOSE SESSION" },
+ { 0x03, "CHANG SESSION" },
+ { 0x04, "CREATE SP SESSION" },
+ { 0x05, "SYS CONFIG" },
+ { 0x06, "FILE SYS" },
+ { 0x07, "CMD WEB" },
+ { 0x08, "SAVE SLAVE" },
+ { 0x09, "VPN SPI" },
+ { 0x0a, "ARP" },
+ { 0x0b, "HEALTH CHECK" },
+ { 0x0c, "EMW DATA" },
+ { 0x0d, "INVITE SYNC" },
+ { 0x0e, "DOWNLOAD CONFIG" },
+ { 0x0f, "L2TP TUNL CREATE" },
+ { 0x10, "L2TP TUNL DELETE" },
+ { 0x11, "L2TP CALL CREATE" },
+ { 0x12, "L2TP CALL DELETE" },
+ { 0x13, "PKI SYNC" },
+ { 0x14, "VPN SEQ" },
+ { 0x15, "MAX" },
+ { 0, NULL }
+};
+
+static const value_string nsrp_flag_vals[] = {
+ { 0x80, "ENCRYPT MESSAGE" },
+ { 0x40, "CLOSE SESSION" },
+ { 0x20, "CHANG SESSION" },
+ { 0x10, "CREATE SP SESSION" },
+ { 0x08, "SYS CONFIG" },
+ { 0x04, "FILE SYS" },
+ { 0x02, "CMD WEB" },
+ { 0, NULL }
+};
+
+static const value_string nsrp_encflag_vals[] = {
+ { 0xf0, "ENCRYPT METHOD MASK" },
+ { 0x0f, "ENCRYPT PAD BIT MASK" },
+ { 0, NULL }
+};
+
+
+/* Initialize the subtree pointers */
+static gint ett_nsrp = -1;
+
+/* Code to actually dissect the packets */
+static int
+dissect_nsrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ proto_item *ti;
+ proto_tree *nsrp_tree = NULL;
+ gint offset = 0;
+ guint8 msgtype = 0;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "NSRP");
+
+ col_set_str(pinfo->cinfo, COL_INFO, "NSRP Protocol");
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_nsrp, tvb, 0, -1, ENC_NA);
+ nsrp_tree = proto_item_add_subtree(ti, ett_nsrp);
+
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ msgtype = tvb_get_guint8(tvb, offset);
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_clust_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msg_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_len, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_ha_port, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_dst_unit, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_src_unit, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+/*
+ *
+ *
+ * NSRP HA Packet is defined as follow:
+ *
+ * 1 2 3 4 5 6 7 8
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Type |WstGroup|HstGroup|MSG Flag| Length |Enc Flag|Not Used|
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Total Size | NS | NR |
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | No Used | Checksum | Data |
+ * +--------+--------+--------+--------+-----------------------------------+
+ *
+ *
+ */
+
+ if ( msgtype == 0x00 ) {
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_encflag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_total_size, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_ns, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_nr, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_no_used, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_checksum(nsrp_tree, tvb, offset, hf_nsrp_checksum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, ENC_ASCII);
+
+ }
+
+/*
+ *
+ * NSRP MNG Packet is defined as follow:
+ *
+ * 1 2 3 4 5 6 7 8
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Type |WstGroup|HstGroup|MSG Flag| Length |AuthFlag|Not Used|
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * |Priority+ Dummy + Auth CheckSum + Data |
+ * +--------+--------+--------+--------+-----------------------------------+
+ *
+ *
+ */
+
+ if ( msgtype == 0x02 ) {
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_authflag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_dummy, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_checksum(nsrp_tree, tvb, offset, hf_nsrp_authchecksum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, ENC_ASCII);
+
+ }
+
+
+
+
+/*
+ * NSRP DATA Packet is defined as follow:
+ *
+ * 1 2 3 4 5 6 7 8
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Type |WstGroup|HstGroup|MSG Flag| Length | Ifnum |Not Used|
+ * +--------+--------+--------+--------+--------+--------+--------+--------+
+ * | Total Size | Data |
+ * +--------+--------+--------+--------+-----------------------------------+
+ *
+ *
+ */
+ if ( msgtype == 0x03 ) {
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_wst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_hst_group, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msgflag, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_msglen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_ifnum, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_not_used, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_total_size, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(nsrp_tree, hf_nsrp_data, tvb, offset, -1, ENC_ASCII);
+
+ }
+
+ return tvb_captured_length(tvb);
+}
+
+
+void
+proto_register_nsrp(void)
+{
+
+ static hf_register_info hf[] = {
+ { &hf_nsrp_version,
+ { "Version", "nsrp.version",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP Version", HFILL }
+ },
+ { &hf_nsrp_msg_type,
+ { "Type", "nsrp.type",
+ FT_UINT8, BASE_DEC, VALS(nsrp_msg_type_vals), 0,
+ "NSRP Message Type", HFILL }
+ },
+ { &hf_nsrp_clust_id,
+ { "Clust ID", "nsrp.clustid",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP CLUST ID", HFILL }
+ },
+ { &hf_nsrp_msg_flag,
+ { "Flag", "nsrp.flag",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP FLAG", HFILL }
+ },
+ { &hf_nsrp_len,
+ { "Length", "nsrp.length",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ "NSRP Length", HFILL }
+ },
+ { &hf_nsrp_ha_port,
+ { "Port", "nsrp.haport",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP HA Port", HFILL }
+ },
+ { &hf_nsrp_not_used,
+ { "Not used", "nsrp.notused",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nsrp_dst_unit,
+ { "Destination", "nsrp.dst",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "DESTINATION UNIT INFORMATION", HFILL }
+ },
+ { &hf_nsrp_src_unit,
+ { "Source", "nsrp.src",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "SOURCE UNIT INFORMATION", HFILL }
+ },
+ { &hf_nsrp_msgtype,
+ { "MsgType", "nsrp.msgtype",
+ FT_UINT8, BASE_DEC, VALS(nsrp_msgtype_vals), 0,
+ "Message Type", HFILL }
+ },
+ { &hf_nsrp_wst_group,
+ { "Wst group", "nsrp.wst",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP WST GROUP", HFILL }
+ },
+ { &hf_nsrp_hst_group,
+ { "Hst group", "nsrp.hst",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ "NSRP HST GROUP", HFILL }
+ },
+ { &hf_nsrp_msgflag,
+ { "Msgflag", "nsrp.msgflag",
+ FT_UINT8, BASE_DEC, VALS(nsrp_flag_vals), 0,
+ "NSRP MSG FLAG", HFILL }
+ },
+ { &hf_nsrp_msglen,
+ { "Msg Length", "nsrp.msglen",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ "NSRP MESSAGE LENGTH", HFILL }
+ },
+
+ { &hf_nsrp_encflag,
+ { "Enc Flag", "nsrp.encflag",
+ FT_UINT8, BASE_DEC, VALS(nsrp_encflag_vals), 0,
+ "NSRP ENCRYPT FLAG", HFILL }
+ },
+#if 0
+ { &hf_nsrp_notused,
+ { "Not Used", "nsrp.notused",
+ FT_UINT8, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+#endif
+ { &hf_nsrp_total_size,
+ { "Total Size", "nsrp.totalsize",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "NSRP MSG TOTAL MESSAGE", HFILL }
+ },
+ { &hf_nsrp_ns,
+ { "Ns", "nsrp.ns",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nsrp_nr,
+ { "Nr", "nsrp.nr",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nsrp_no_used,
+ { "Reserved", "nsrp.reserved",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nsrp_checksum,
+ { "Checksum", "nsrp.checksum",
+ FT_UINT16, BASE_HEX, NULL, 0,
+ "NSRP PACKET CHECKSUM", HFILL }
+ },
+ { &hf_nsrp_authflag,
+ { "AuthFlag", "nsrp.authflag",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ "NSRP Auth Flag", HFILL }
+ },
+ { &hf_nsrp_priority,
+ { "Priority", "nsrp.priority",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ "NSRP Priority", HFILL }
+ },
+ { &hf_nsrp_dummy,
+ { "Dummy", "nsrp.dummy",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ "NSRP Dummy", HFILL }
+ },
+ { &hf_nsrp_authchecksum,
+ { "Checksum", "nsrp.authchecksum",
+ FT_UINT16, BASE_HEX, NULL, 0,
+ "NSRP AUTH CHECKSUM", HFILL }
+ },
+ { &hf_nsrp_ifnum,
+ { "Ifnum", "nsrp.ifnum",
+ FT_UINT16, BASE_HEX, NULL, 0,
+ "NSRP IfNum", HFILL }
+ },
+ { &hf_nsrp_data,
+ { "Data", "nsrp.data",
+ FT_STRING, BASE_NONE, NULL, 0,
+ "PADDING", HFILL }
+ }
+ };
+
+ static gint *ett[] = {
+ &ett_nsrp
+ };
+
+ proto_nsrp = proto_register_protocol("Juniper Netscreen Redundant Protocol",
+ "NSRP", "nsrp");
+ proto_register_field_array(proto_nsrp, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ nsrp_handle = register_dissector("nsrp", dissect_nsrp, proto_nsrp);
+}
+
+
+void
+proto_reg_handoff_nsrp(void)
+{
+ dissector_add_uint("ethertype", ETHERTYPE_NSRP, nsrp_handle);
+}
+
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */